Finding the Fourth Proportional to 89,776.86, 123,891.75 and 52,072.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,776.86 : 123,891.75 = 52,072.62 : x
2. Step 2: Convert to fraction form
   89,776.86/123,891.75 = 52,072.62/x
3. Step 3: Cross multiply
   89,776.86x = 123,891.75 × 52,072.62
4. Step 4: Simplify right side
   89,776.86x = 6,451,368,018.89
5. Step 5: Solve for x
   x = 6,451,368,018.89/89,776.86
6. Step 6: Final answer
   x = 71,860.03